/*
 * Copyright © 2015 Cask Data, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

angular.module(PKG.name + '.commons')
  .directive('myMaxlength', function () {
    return {
      require: 'ngModel',
      link: function (scope, elem, attrs, ctrl) {
        var maxlength = Number(attrs.myMaxlength);

        function input(text) {
          if (text.length > maxlength) {
            var transform = text.substring(0, maxlength);

            ctrl.$setViewValue(transform);
            ctrl.$render();

            return transform;
          }

          return text;
        }

        ctrl.$parsers.push(input);

      }
    };
  });
